Added dequeue delete tests
update alerts tests
adds tests for delay; only synchronous for now
Merge pull request #64 from iron-io/feature-dequeue-delete-test

Added dequeue delete tests
Merge branch 'alerts_tests' of https://github.com/featalion/iron_mq_ruby into featalion-alerts_tests
Will not ignore 404's on deletes anymore.
updated MQ version in Gemfile
Add license
Merge pull request #68 from iron-io/add-license

Add license